Purchaser’s Assistant

Overview

Company Background We are 30+ (and growing) market-leading operating companies that deliver unmatched HVAC, mechanical, refrigeration, plumbing, and electrical solutions. We are actively building the nation’s preferred technical service partnership for commercial MEP+ ecosystems, empowering industrial, commercial, and institutional clients—including Fortune 500 companies and other industry leaders across the United States—with reliable, innovative service. Learn more about us at

Markade Plumbing has proudly served the greater Phoenix area for over 19 years, specializing in commercial new construction plumbing. We are committed to delivering high-quality workmanship, maintaining strong client relationships, and developing strong internal talent. Markade is a Kelso Industries company, part of one of the nation’s leading MEP+ solution providers. Our culture emphasizes safety, accountability, continuous improvement, and long-term career growth.

Markade Plumbing is seeking a motivated and detail-oriented Purchaser’s Assistant to support our Purchasing and Operations teams in the procurement and coordination of materials for commercial plumbing projects. This is an entry-level, growth-focused position designed to provide hands-on exposure to construction purchasing, vendor coordination, material tracking, cost management, and supply chain operations. The right candidate will receive structured training and mentorship, with a clear pathway toward Purchasing Agent, Procurement Specialist, or Operations roles.

This role is ideal for someone who is organized, analytical, eager to learn, and interested in building a long-term career in commercial construction operations.

• Assist Purchasing Manager with daily procurement and administrative tasks
• Prepare and issue purchase orders to vendors and suppliers
• Track material orders, delivery schedules, and backorders
• Maintain organized digital purchasing files within Procore, Excel, and internal systems
• Coordinate with Project Managers and field teams to confirm material needs and timelines
• Communicate with vendors to verify pricing, availability, and lead times
• Assist with bid comparison sheets and supplier quote evaluations
• Monitor material costs and support budget tracking efforts
• Help resolve delivery discrepancies, damaged goods, and invoice issues
• Support inventory tracking and warehouse coordination as needed
• Maintain vendor contact information and purchasing logs
• Assist with documentation for returns, credits, and warranty claims
• Participate in internal coordination meetings as required

• High school diploma required; coursework in supply chain, business, or construction management preferred
• 0–2 years of experience in purchasing, construction, warehouse operations, or administrative support
• Strong organizational skills and attention to detail
• Proficient in Microsoft Office (Excel, Word, Outlook)
• Willingness to learn construction management and purchasing software (Procore, ERP systems, etc.)
• Strong written and verbal communication skills
• Ability to manage multiple tasks in a fast-paced environment
• Comfortable working in both office and warehouse/jobsite settings
• Professional demeanor and strong work ethic
• Interest in long-term career growth within purchasing or operations

• Competitive hourly wage
• Medical, dental, and vision insurance
• Paid vacation, holidays, and sick leave
• Company-paid life insurance
• 401(k) retirement plan with company match
• Structured mentorship and advancement opportunities

We’re committed to attracting talented individuals who seek a company with a strong foundation of success and an outstanding culture. We proactively provide competitive compensation, comprehensive benefits, and clear pathways for career advancement with autonomy and flexibility in an entrepreneurial environment.

Learn more about us at

EEO Statement We celebrate diversity and are committed to creating an inclusive environment for all employees. We do not discriminate in any aspect of employment on the basis of race, color, religion, national origin, ancestry, gender, sexual orientation, gender identity and/or expression, age, veteran status, disability, or any other characteristic protected by federal, state, or local employment discrimination laws where Kelso does business.